Added by_rate_and_distance_desc scope to User model
Made Profile model searchable by geolocation
Made Profile model searchable by tag
Migrated discovery relevant attributes from User to Profile model
Delete README.rdoc
Create TODO.md
Migrated geolocation behavior from geokit-rails to Geocoder
User model will geocode itself and owned profiles
Removed extra code for geocode call
Commited (largely) tested methods for scopes and search for skills by proficiency